Keystones — Cornerstone
Five GCSE retrieval questions · 31 March 2026 · mathsvault.uk/keystones
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1. Number Dividing fractions
Calculate: 3⁄3 ÷ 6
Answer: 1⁄6 -
2. Algebra Two-step inequalities
Solve: 3x - 9 > 29
Answer: x > 12.7 -
3. Geometry Area of a right-angled triangle
Calculate the area of a right triangle with perpendicular sides 6cm and 15cm
Answer: 45cm² -
4. Ratio Unitary method
If 7 items cost £21.00, how much do 13 items cost?
Answer: £39.00 -
5. Statistics Mode
Find the mode of: 14, 5, 5, 5, 6, 15
Answer: 5